Such removal would no longer be enforceable since it is explicitly
addressed by 13. This is another RARE case where the normal process
(ie follow the cut-sheet requirements via the listing) is exempted by
the technical committee. Another example is the listed sprinklers
required by 8.15.1.6 for concealed combustible spaces with a depth
less than 36 in. The listing applies only to solid wood joist but
8.15.1.7 allows that sprinkler to be used with composite wood joists.
Roland
On Feb 29, 2012, at 2:47 PM, Jim Davidson wrote:
You will need to check the UL listing of the pipe and the pipe
manufacturer's tech data regarding the loading the pipe can take
from building foundations and other loads such as traffic, truck
wheel loads on flexible pavement(asphalt), most of the underground
plastic pipe is not listed for use above ground, and you are
required to use a DI transition piece. I have seen AHJ require the
removal of the plastic pipe and replacement with DI transition
piece, very expensive after floor is poured and walls are up.
Jim Davidson
Jim Davidson
Davidson Associates
Fire Protection * Medical Gas * Code Consulting
302-994-9500 Fax:302-234-1781
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